Relapsing after quitting cocaine is not simply a matter of willpower — it reflects physical changes in the brain, according to new research. Scientists have found that repeated cocaine use reshapes ...

Researchers have engineered Arabidopsis plants that emit visible light when their immune defenses switch on, creating a living sensor that tracks how plants fight pathogens in real time. The work, ...

When bacteria cells replicate, they do so a little differently than human cells do. They don't undergo mitosis, a splitting that involves construction of spindles to carefully separate the DNA after ...

A team at UT Southwestern Medical Center has identified a structural trick that lets viruses translate their genetic code inside human cells, even when that code is riddled with “bad” codons the host ...